1401326256 has 40 divisors (see below), whose sum is σ = 3949193664. Its totient is φ = 424644160.

The previous prime is 1401326243. The next prime is 1401326273. The reversal of 1401326256 is 6526231041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326486 + ... + 1327541.

Almost surely, 2^1401326256 is an apocalyptic number.

1401326256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1401326256 is an abundant number, since it is smaller than the sum of its proper divisors (2547867408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401326256 is a wasteful number, since it uses less digits than its factorization.

1401326256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654049 (or 2654043 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1401326256 is about 37434.2925136832. The cubic root of 1401326256 is about 1119.0420848582.

Adding to 1401326256 its reverse (6526231041), we get a palindrome (7927557297).

The spelling of 1401326256 in words is "one billion, four hundred one million, three hundred twenty-six thousand, two hundred fifty-six".